Definition:Antihomomorphism/Group Antihomomorphism
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Definition
Let $\struct {S, \circ}$ and $\struct {T, *}$ be groups.
Then $\phi: S \to T$ is a group antihomomorphism if and only if:
- $\forall x, y \in S:\map \phi {x \circ y} = \map \phi y * \map \phi x$